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From: Yu Kuai <yukuai3@huawei.com>
To: <hch@lst.de>, <axboe@kernel.dk>, <gregkh@linuxfoundation.org>,
<willy@infradead.org>, <martin.petersen@oracle.com>,
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Subject: [PATCH RFC 0/2] block: fix uaf in bd_link_disk_holder()
Date: Tue, 18 Oct 2022 21:14:30 +0800
Message-ID: <20221018131432.434167-1-yukuai3@huawei.com>
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block: fix uaf in bd_link_disk_holder()
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Message
Yu Kuai
Oct. 18, 2022, 1:14 p.m. UTC
Yu Kuai (2): kobject: add return value for kobject_put() block: protect slave_dir/bd_holder_dir by open_mutex block/genhd.c | 8 ++++++-- block/holder.c | 13 ++++++++++++- block/partitions/core.c | 5 ++++- include/linux/kobject.h | 2 +- lib/kobject.c | 7 +++++-- 5 files changed, 28 insertions(+), 7 deletions(-)